It’s really great to have such a system optimizing tool. I must tell you there is a savior for your Mac – Cleaner One Pro. There are also probably many apps you have never used and don’t need anymore.

Let’s say someday your Mac has a lot of junk files and duplicate photos.

I believe you also want to keep your Mac clean. If you have done a complete installation of macOS, you must be enjoying the completely new macOS now. Click “Install” and wait until the upgrade is done Agree to the software terms and conditions. When the installation window appears, click “Continue” again. When it returns to the former page, insert your USB and click “Continue”. Select “Mac OS Extended (Journaled)” from the list of volume formats and start formatting.į. Open “Disk Utility”, choose your startup disk, and then click “Erase”.Į. Press and hold “Command+R” when you hear a startup ring (or when the screen on your newer Mac device turns black), and hold down the keys until your computer restarts.ĭ.

New mac os 10.12